Add sugar and oil to a bowl. Whisk well until smooth and shiny.

Crack eggs into the bowl. Add vanilla. Whisk until light and creamy.

Add cocoa powder slowly. Mix well until thick and dark.

In another bowl, mix flour, baking powder and salt until combined.

Add dry mix to wet mix. Stir gently until thick dough forms.

Fold chocolate chips into the dough evenly using a spatula.

Cover the bowl. Chill dough in fridge for 30 minutes for best results.

Preheat oven to 175°C. Line baking tray with parchment paper.

Scoop dough. Roll into balls using clean hands.

Roll each ball in powdered sugar until fully covered.

Place balls on tray with space between each cookie.

Bake for 10 minutes. Cookies will crack and look set.

Remove tray from oven. Let cookies cool on rack before serving.